<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>请客吃饭</title>
    <script>
        var money = prompt('钱包中的金额是')

        if (money >= 2000) {
            alert('请大家吃西餐')
        } else if (money >= 1500) {
            alert('请大家吃快餐')
        } else if (money >= 1000) {
            alert('请大家喝饮料')
        } else if (money >= 500) {
            alert('请大家吃棒棒糖')
        } else {
            alert('下次把钱带够')
        }
    </script>
</head>

<body>

</body>

</html>